| 07 | Lamy / Minassian | Team Peugeot Total (F) | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 08 | Montagny / Sarrazin | Team Peugeot Total (F) | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 1 | Werner / Luhr | Audi Sport North America (D) | Audi | R15 TDI | | Audi | LMP1 |
| 1T | Werner / Luhr | Audi Sport North America (D) | Audi | R15 TDI | | Audi | LMP1 |
| 2 | McNish / Capello | Audi Sport North America (D) | Audi | R15 TDI | | Audi | LMP1 |
| 3 | O'Connell / Magnussen / Garcia | Corvette Racing (USA) | Chevrolet | Corvette C6 | .R ZR1 | Chevrolet | GT2 |
| 4 | Gavin / Fässler / Beretta | Corvette Racing (USA) | Chevrolet | Corvette C6 | .R ZR1 | Chevrolet | GT2 |
| 6 | Graf / Maassen | Team Cytosport (USA) | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 7 | Lapierre / Dumas / Panis | Oreca Matmut AIM (F) | Oreca | 01 | | AIM | LMP1 |
| 9 | Sharp / Brabham / Franchitti | Patrón Highcroft Racing (USA) | Acura | ARX-02 | a | Acura | LMP1 |
| 10 | Noda / Balbiani / von Moltke | ECO Racing | Radical | SR10 | | AER | LMP1 |
| 11 | Feinberg / Hall | Primetime Race Group | Dodge | Viper | Competition Coupe | Dodge | GT2 |
| 12 | Willman / Burgess / McMurry | Autocon Motorsports (USA) | Lola | B06/10 | | AER | LMP1 |
| 15 | Fernandez / Diaz | Lowe's Fernandez Racing | Acura | ARX-01 | b | Acura | LMP2 |
| 16 | Dyson / Smith | Dyson Racing Team, Inc (USA) | Lola | B09/80 | -86 | Mazda | LMP2 |
| 17 | Sellers / Cicero | Team Falken Tire (USA) | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 19 | van der Steur / Pecorari / Pecorari | van der Steur Racing, Inc. | Radical | SR9 | | AER | LMP2 |
| 20 | Franchitti / Leitzinger / Devlin | Dyson Racing Team, Inc (USA) | Lola | B08/80 | -86 | Mazda | LMP2 |
| 21 | James / Farnbacher | Panoz Team PTG (USA) | Panoz | Esperante | GTLM | Ford | GT2 |
| 28 | Sutherland / Drissi / Bell | LG Motorsports | Chevrolet | Corvette C6 | | Chevrolet | GT2 |
| 33 | | RSR (USA) | Jaguar | XKR | | Jaguar | GT2 |
| 37 | Field / Field | Intersport Racing (USA) | Lola | B06/10 | | AER | LMP1 |
| 40 | Murry / Robertson / Robertson | Robertson Racing, LLC (USA) | Ford | GT | -R Mk.7 | Ford | GT2 |
| 44 | Neiman / Law / Van Overbeek | Flying Lizard Motorsports (USA) | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 45 | Bergmeister / Long / Lieb | Flying Lizard Motorsports (USA) | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 62 | Kaffer / Melo / Salo | Risi Competizione (USA) | Ferrari | F430 | GTC | Ferrari | GT2 |
| 66 | de Ferran / Dixon / Pagenaud | de Ferran Motorsports (USA) | Acura | ARX-02 | a | Acura | LMP1 |
| 87 | Henzler / Werner | Farnbacher Loles Racing | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 88 | Cocker / Bell / Drayson | Drayson Racing (GB) | Lola | B09/60 | | Judd | LMP1 |
| 90 | Auberlen / Priaulx / Hand | BMW Rahal Letterman Racing Team (USA) | BMW | M3 | E92 GT | BMW | GT2 |
| 92 | Milner / Müller / Müller | BMW Rahal Letterman Racing Team (USA) | BMW | M3 | E92 GT | BMW | GT2 |